| 123456789101112131415161718192021 | package testsimport "fmt"func ReadableBytes(l int) string {	// convert l bytes to a readable string	if l < 1024 {		return fmt.Sprintf("%d B", l)	}	if l < 1024*1024 {		return fmt.Sprintf("%.2f KB", float64(l)/1024)	}	if l < 1024*1024*1024 {		return fmt.Sprintf("%.2f MB", float64(l)/(1024*1024))	}	return fmt.Sprintf("%.2f GB", float64(l)/(1024*1024*1024))}
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